EFFECT:
Show two green balls and one red ball. Red balls on your right and green ball on your left. When performer puts the bar behind his back and brings it out, suddenly the red ball jumps to the left. Again, he puts the bar behind his back, the red ball jumps to the right. Audiences ask. How about the red ball bouncing to the middle? It is easy. Performer simply pulls the three balls together. Instantly, the red ball jumps to the middle.